Concept explainers
To Calculate: The change in sound level of a sound wave.
Answer to Problem 20P
The sound level of a sound wave is
Explanation of Solution
Given:
The given amplitude is,
The frequency is,
The sound speed in air,
The density of the air is,
Formula used:
The intensity is given as,
Here,
The intensity is given as,
Here,
Calculation:
By using the given values in the above formula if the intensity is,
Now, use this calculated value if the intensity in the sound level formula,
Conclusion:
The change in sound level is
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